Tool



Jan. 24, 1928.

J. B. DRUMM TOOL Filed Sept 25? 1925 Patented Jan. 24, 1928. I 1,657,343

UNITED STATES PATENT OFFICE,

JQHN 1B. DRUMM, F WINSLOW, ARIZONA.

TOOL.

Application filed September 25, 1926. Serial No. 137,798.

This invent-ion relates to new and useful small circular opening 18,which receives one improvements in tools, and particularly to angularlyturned end of a coil spring 19, pliers. which is seated in the recesses,when the (lne object of the invention is to provide a members 10 and 11are properly secured a tool of this character which normally remainstogether by means of the pivot bolt 16. In

in open position, ready to be easily engaged the bottom of the recess ofthe other member with the work, and which will automatically 11, thereis formed an elongated arcuate slot, open, when pressure is releasedfrom the shown at 20 as being concentric with the bolt handles of thetool. opening 21, thereof, said slot receiving the re Another object isto provide a tool of this other angularly turned end of the said coil cocharacter wherein the jaw members are spring 19.

adapted to be shifted to engage with large The normal tendency of thespring is to or small work, and wherein the automatic spread its endsapart whereby to exert pivopening is properly associated with the tool,otal movement on the members and 11, so

it so that the jaws will open regardless of that the jaws will beyieldably held sepa- 05 whether the pliers are adjusted for large orrated for easy and quick straddling of the small work. work to beoperated upon. Upon grasping Other objects and advantages will be thehandles of the pliers, and moving them apparent from the followingdescription toward each other the jaws will be engaged as when taken inconnection with the accom with the work, and upon releasing the grip 70panying drawing. on the handles, the spring will expand to In thedrawing: move the jaws away from each other.

Figure 1 is a plan view of one member of The slot permits the end of thespring the pliers, showing the spring being shown therein to move, whenthe members 10 and in therecess. 11 are shifted, as when adjusting fordiifer- Figure 2 is a plan view of the other mement sized. work, andwhereby the action of the her of the pliers, showing the springreceivspring will remain the same.

ing recess, the spring being omitted. lVhat is claimed is:

Figure 3 is a sectional view of the pliers, 1. A tool comprlsing a pairof pivotally 30 the parts being in assembled positlon. connectedmembers, each of the members Referring particularly to theaccompanyhaving a recess in its pivotal portion, one of ing drawing, 10and 11 represent the mem the recesses having an arcuate groove in itsbers of the pliers, each including a handle bottom wall, and a springseatedin said portion and a jaw portion, represented, rerecesses andhaving one of its ends anchored 5 spectively by the numerals 12 and 18.In in the bottom of one of the recesses and its the pivotal portion let,of each of the memother end movably engaged in the arcuate bers 10 and11 there is formed a circular groove of the other recess, for normallyand recess 15, that in the member 10 being of yieldably maintaining themembers in open slightly larger diameter than that in the position.

40 member 11, for a purpose which will appear 2. A tool comprising apair of pivotally later herein. A pivot bolt 16 is disposed connectedand laterally shiftable members through the pivotal portions of themembers each having a recess in its pivotal portion,

10 and 11, and passes through the centers of the bottom of one recesshaving an opening, the said recesses. The opening in the botthe bottomof the other recess having a slot,

45 tom of the recess of the member 10 is elonand a coil spring seated inthe registered gated, as shown at 17, whereby to permit recesses andhaving its ends engaged in the moving the members transversely of eachopening and slot, respectively. other, as in this well known type ofshiftable In testimony whereof, I affix my signature. pliers. In thebottom of the said recess, I

50 adjacent one end of the opening 17, is a JOHN B.DRUMM.

